CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
RESEARCH OF THE ROD DROP TIME BASED ON THE CONTROL ROD SYSTEM OF TMSR-SF1
Lin, ZK; Zhu, L; Zhao, CF; Cao, Y; Wang, X
2017
Conference Name25th International Conference on Nuclear Engineering
Source PublicationPROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2017, VOL 2
Issue
Conference DateJUL 02-06, 2017
Conference PlaceShanghai, PEOPLES R CHINA
AbstractThe reactor scram function realized by the rapidly dropping of control rods ensures safety when the reactor accidents (loss of electricity and earthquake, etc.) happen. In the thorium base molten salt reactor (TMSR - SF1), the rod drop time is obviously affected by the resistance which produced in the molten salt as its high density and viscosity. In this paper, the drop time of the control rod is obtained by the theoretical and experimental methods for comparison. Firstly, the drop time is analyzed both in air and water condition with calculation and experiment. And the method used for the resistance calculation of the rod during dropping is verified. Secondly, the similarity criterion is adopted to calculate the drop time in molten salt condition. The study shows that: 1) In air and water condition, the calculation is coincidence with the experimental results within the maximum error less than 2 %. 2) The drop time of the rod in molten salt is 2.8 s with a dropping height 2.4m in reactor, which satisfy the safety requirement of the control system. 3) It is necessary to use another buffer beside the disc spring to protect the driving mechanism of the rod during the rod dropping.
ISBN978-0-7918-5780-9
Subtype会议论文
KeywordDRIVE MECHANISM SAFETY ROD PERFORMANCE REACTOR
Indexed BySCI
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31932
Collection中科院上海应用物理研究所2011-2019年
AffiliationChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Lin, ZK,Zhu, L,Zhao, CF,et al. RESEARCH OF THE ROD DROP TIME BASED ON THE CONTROL ROD SYSTEM OF TMSR-SF1[C],2017.
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